Romy Lake Weather Forecast

    • 18
    • 38

    Increasing Clouds

    • 21
    • 29

    Mostly Cloudy

    • 16
    • 34

    Snow

    • 15
    • 30

    Snow Likely

    • 17
    • 29

    Snow Likely

    • 10
    • 26

    Snow Likely

Today 30 Jan Gallatin and Madison County Mountains and Centennial Mountains

Sunny. Highs 30 to 40. Southwest Winds up to 10 Mph.

Tonight 30 Jan Gallatin and Madison County Mountains and Centennial Mountains

Partly cloudy in the evening then becoming mostly cloudy. Lows 10 to 20. South Winds 5 to 15 Mph. Gusts up to 30 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Romy Lake Temperature Statistics

January Temperature

Ennis - Big Sky Airport (17.4 miles)

  • Lowest 20 January, 2025

    -20.2 °F

  • Average January

    19.3 °F

  • Highest 16 January, 2025

    41 °F

Climate (2020–Present)

Ennis - Big Sky Airport (17.4 miles)

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  • Average Low 2020–2025

    31.2 °F

  • Average 2020–2025

    43.6 °F

  • Average High 2020–2025

    55.4 °F
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